Home / 1,924,962,163.80-2,887,443,245.70-470,939,587.80

Finding the Fourth Proportional to 1,924,962,163.80, 2,887,443,245.70 and 470,939,587.80

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Solution

The fourth proportional to 1,924,962,163.80, 2,887,443,245.70 and 470,939,587.80 is: 706,409,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924,962,163.80 : 2,887,443,245.70 = 470,939,587.80 : x
  2. Step 2: Convert to fraction form
    1,924,962,163.80/2,887,443,245.70 = 470,939,587.80/x
  3. Step 3: Cross multiply
    1,924,962,163.80x = 2,887,443,245.70 × 470,939,587.80
  4. Step 4: Simplify right side
    1,924,962,163.80x = 1,359,811,331,925,852,160
  5. Step 5: Solve for x
    x = 1,359,811,331,925,852,160/1,924,962,163.80
  6. Step 6: Final answer
    x = 706,409,381.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.